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© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard

F3062_C27 • 9/9/2022

Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com

Motor Run Capacitors

C27, Cylindrical Plastic Case, 275 – 470 VAC

Performance Characteristics

Type of Service

Continuous

Operating Class

C27/4

Class A 30,000 hours at 420 VAC or Class B 10,000 hours at 470 VAC

C27/6

Class B 10,000 hours at 420 VAC or Class C 3,000 hours at 470 VAC

C27/7

Class B 10,000 hours at 275 VAC or Class D 1,000 hours at 425 VAC (intermittent operation)

Temperature Range

−25°C to +85°C

Storage Temperature

−40°C to +90°C

Rated Voltage

470 VAC

Rated Frequency

50 – 60 Hz

Voltage Rise/Fall Time (Maximum):

C27/4

C27/6

c27/7

20 V/μs

15 V/μs

15 V/μs

Maximum Permissible Voltage

1.10 x rated voltage

Maximum Permissible Current

1.30 x rated current

Dissipation Factor (DF)

20 x 10 −4 at +20°C, 50Hz

Safety Class

S0

Maximum Altitude

2,000 m

Capacitance Tolerance

±5%

Mounting

Any position

Can

Polypropylene with self-extinguishing features V2 (UL 94)

Noryl with self-extinguishing features VI (UL 94) for diameters > 50 mm

Disk

Faston execution: Nylon PA66 with self-extinguishing features V0

Cable execution: PC-A with self-extinguishing features V0

For diameters > 40 mm cable execution: Noryl PPO with self-extinguishing features VI

Filling Resin

Polyurethane

Dielectric

Polypropylene

Plates

Self-healing metal layer

Test Voltage Terminal to Terminal

(V

TT)

2 V

n for 2 seconds

Test Voltage Terminal to Can (V

TC)

2,000 V for 2 seconds

Air Distance Between Live Parts

≥ 5 mm

Air Distance Between Live Parts and

Case

≥ 6 mm